Chapter 197 Immunity

"We're in the body of a giant."

In the vast red sea, the side of truth whispered softly: "The situation is not good..."

At this moment, the president of the Demonic Scientists Alliance was standing in a translucent sphere with a diameter of twenty meters.

The sphere was created by him using the psychic creation system and is indestructible. In addition to him, there were two other figures standing in the ball - Zhongli Mieming and Wang Buliuxing from the Special Affairs Bureau.

"This is the blood vessel that carries blood."

Wang Buliuxing frowned and looked at the endless river of blood outside the sphere, and said gloomily: "It would be fine if the place we were in was a large blood vessel in the human body, but if it was a blood vessel with a smaller diameter, the situation would be worse.

I remember that the average capillary diameter is 6~9 μm, and the diameter of the blood vessel we observed is 900 meters, which translates into a gap of nearly 90 million times.

If the giant's body proportions are similar to those of a 'human', then his height is estimated to be 160,000 kilometers, which is more than 12 times that of the earth and one circle larger than Jupiter..."

"It's not that exaggerated."

The Side of Truth shook his head, glanced casually outside the ball, and released his psychic energy, causing the ball to extend a tentacle and capture a huge, flat red object floating in the blood river, "This should It's red blood cells.

The diameter of human red blood cells is about 8 μm, and the diameter of this red blood cell is 56 meters.

The magnification is converted to seven million times.

If the giant's body proportions are similar to those of a 'human', then his height should be 12,600 kilometers, which is about the same diameter as the earth.

However, it is not reasonable to use the ratio of human red blood cells to estimate giants - for a giant as big as a planet, its own gravity is enough to destroy body organs from the inside out and hinder blood circulation.

In addition, it cannot explain the square cube law of living organisms - the self-heat emitted by such a large living body is enough to destroy any carbon-based cells like the center of the earth.

Of course, it's also possible that we've been shrunk and transported into the body of some Colorado homeless man.

Anything can happen in Killing Fields, we just need to gather intelligence and consider the situation at hand. "

"Um."

Zhongli Mieming nodded dullly, glanced at the unresponsive satellite phone in his hand, and pursed his lips slightly.

The giant's body is too huge, and its body parts, from blood vessels to cells, are all different from those recognized in the real world.

Since they were teleported in, no more people have been contacted, and the situation of other extraordinary beings is not known.

"Still unable to contact you?"

Side of Truth casually let go of the huge, unconscious red blood cell as tall as a tall building, "Then let me do it."

Wang Buliuxing asked: "What are you going to do?"

"First figure out where we are."

The side of truth controlled the ball to float up quickly and approached the top of the blood vessel, and said lightly: "Although there is no time limit in the battle of command,

But our mission goal of reaching the heart of the giant and surviving is itself a time limit - only within the hidden time,

Only by reaching the heart can you survive.

If we are in an artery, then this blood vessel leads to the organ tissue,

And if we are in the veins, we can follow the blood to the heart..."

Click——

Continuous sounds interrupted the peaceful narrative on the side of truth,

I saw that outside the sphere where the three of them were, a large number of tiny translucent objects like Lego blocks were attached at some point. These objects were put together with each other to form a dazzling complex with lightning speed. The structure densely covers a large area of ​​the sphere.

"What's this?"

Wang Buliuxing was startled, and subconsciously clenched his fists, preparing to use the Bifan armor on his arms to attack.

But before he could react,

The complex structure of "Lego bricks" outside the sphere further extends and spreads,

And like a rocket launch platform, it automatically launches a large number of translucent particles like missiles towards the blood river.

"Is this...the complement system?"

Zhong Li Mieming's eyes flickered, and the smart chip implanted in his brain automatically transmitted information into his mind.

"what is that?"

Wang Buliuxing frowned, and just when he was about to ask, the Side of Truth transmitted the information directly to his mind through psychic powers.

The complement system is a protein response system with a precise regulation mechanism. It is part of the immune system and consists of complement (a serum protein present in the serum and tissue fluid of vertebrates).

The human immune system is large and complex, including immune organs (such as bone marrow, spleen, lymph nodes, etc.), immune cells (lymphocytes, mononuclear phagocytes, neutrophils, platelets, etc.), immune active substances (antibodies, lysozyme, complement, etc.)

“The complement system is responsible for regulating phagocytosis, cell lysis, mediating inflammation, immune regulation and clearance of immune complexes. It can also be simply understood as the sentinel and traffic policeman of the immune system.

Now attached to the outside of the sphere is a protein-recruiting platform called complement C3 Convertase, or something similar.

It treats us as some kind of bacteria coming in from the outside world. On the one hand, it constantly receives free proteins in the blood and changes its shape through collision, thus multiplying itself and slowing down the movement of the ball.

On the other hand, this protein recruitment platform will guide other free proteins to split and emit more C3a proteins - those translucent particles that are emitted.

You could interpret it as a distress beacon. "

Wang Buliuxing said in shock: "A distress beacon?"

"Yes, a beacon that sends an early warning to the entire immune system. "

The side of truth said quietly: "We are now exposed."

Boom!

A deafening loud noise sounded all around,

The expressions of Hong Liang Zhongli Mieming and Wang Buliuxing changed slightly. They each activated their detection skills. Across the thick sea of ​​blood, they saw countless huge round spheres that were originally sleeping in the upper and lower reaches of the blood river slowly unfolding and changing into a large number of strange shapes. monster.

Those monsters are all over fifty meters tall, with different colors and shapes.

Each head is differentiated into different tusks, sharp teeth, whiskers, tail, one eye and other organs.

As if receiving an order, they continued to swim in the direction of the three extraordinary beings.

"Neutrophils among White Blood Cells."

The Side of Truth said in a deep voice in the psychic network: "They are part of the immune cells and are on the front line against microbial pathogens, especially pyogenic bacteria, and have strong phagocytic activity.

The quantity is 10^9 pieces/L, with an average of 4000-10000 pieces per microliter.

Considering the length of the blood river, there are probably 100,000 50-meter white blood cells in this area. "

Following the words of the Side of Truth, countless 50-meter-level white blood cells crossed the vast river of blood and rushed in waving their fangs and claws, making the psychic sphere look like a flat boat.

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